139013550

Names of 139013550

• Cardinal: 139013550 can be written as One hundred thirty-nine million, thirteen thousand, five hundred fifty.

Scientific notation

• Scientific notation: 1.3901355 × 10⁸

Factors of 139013550

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 112

Divisors of 139013550

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 25 26 27 30 39 45 50 54 65 75 78 89 90 117 130 135 150 178 195 225 234 267 270 325 351 390 445 450 534 585 650 675 702 801 890 975 1157 1170 1335 1350 1602 1755 1950 2225 2314 2403 2670 2925 3471 3510 4005 4450 4806 5785 5850 6675 6942 7921 8010 8775 10413 11570 12015 13350 15842 17355 17550 20025 20826 23763 24030 28925 31239 34710 39605 40050 47526 52065 57850 60075 62478 71289 79210 86775 102973 104130 118815 120150 142578 156195 173550 198025 205946 213867 237630 260325 308919 312390 356445 396050 427734 514865 520650 594075 617838 712890 780975 926757 1029730 1069335 1188150 1544595 1561950 1782225 1853514 2138670 2574325 2780271 3089190 3564450 4633785 5148650 5346675 5560542 7722975 9267570 10693350 13901355 15445950 23168925 27802710 46337850 69506775 139013550
• Sum of all divisors σ(n): 417212880
• Sum of proper divisors (its aliquot sum) s(n): 278199330
• 139013550 is an abundant number, because the sum of its proper divisors (278199330) is greater than itself. Its abundance is 139185780

Bases of 139013550

• Binary: 1000010010010010110110101110₂
• Hexadecimal: 0x8492DAE
• Base-36: 2ARJJI

Squares and roots of 139013550

• 139013550 squared (139013550²) is 19324767083602500
• 139013550 cubed (139013550³) is 2686404475214730313875000
• The square root of 139013550 is 11790.4007565477
• The cube root of 139013550 is 518.0269784153

Scales and comparisons

• 139,013,550 seconds is equal to 4 years, 21 weeks, 5 days, 22 hours, 52 minutes, 30 seconds.
• To count from 1 to 139,013,550 would take you about six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 139013550 cubic inches would be around 43.2 feet tall.

Recreational maths with 139013550

• 139013550 backwards is 055310931
• 139013550 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139013550's digits is 27
• More coming soon!